""ET WEB_SERVER Unusually Fast HTTP Requests With Referer Url Matching DoS Tool""

SID: 2014103

Revision: 3

Class Type: web-application-activity

Metadata: created_at 2012_01_10, updated_at 2016_05_25

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "Referer|3a 20|"

  • Value: "/slowhttptest/"

Within:

PCRE: "/Referer\x3a\x20[^\r\n]*\/slowhttptest\//Hi"

Special Options:

  • http_header

  • http_header

source